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Start Preamble

AGENCY:

Environmental Protection Agency (EPA).

ACTION:

Proposed rule.

SUMMARY:

EPA is proposing to approve a request submitted by the Indiana Department of Environmental Management (IDEM) on June 29, 2009, to revise the Indiana State Implementation Plan (SIP) under the Clean Air Act (CAA). The State has submitted amendments to the Indiana Administrative Code (IAC), which supplement Indiana's Clean Air Interstate Rule (CAIR), for which EPA granted limited approval as an abbreviated SIP on October 22, 2007. The State's June 29, 2009, submittal includes elements that EPA deems necessary in order for EPA to fully approve Indiana's CAIR SIP. This will allow a transition from an abbreviated SIP with limited approval to a full SIP with full approval under which the various CAIR implementation provisions would be governed by State rules rather than Federal Implementation Plan (FIP) rules. This action results in the withdrawal of the Indiana CAIR FIP concerning sulfur dioxide (SO2), nitrogen oxides (NOX) annual, and NOX ozone season emissions.

DATES:

Comments must be received on or before December 29, 2010.

ADDRESSES:

Submit your comments, identified by Docket ID No. EPA-R05-OAR-2009-0515, by one of the following methods:

5. Hand Delivery: John M. Mooney, Chief, Attainment Planning and Maintenance Section, Air Programs Branch (AR-18J), U.S. Environmental Protection Agency, 77 West Jackson Boulevard, Chicago, Illinois 60604. Such deliveries are only accepted during the Regional Office normal hours of operation, and special arrangements should be made for deliveries of boxed information. The Regional Office official hours of business are Monday through Friday, 8:30 a.m. to 4:30 p.m., excluding Federal holidays.

Please see the direct final rule which is located in the Final Rules section of this Federal Register for detailed instructions on how to submit comments.

SUPPLEMENTARY INFORMATION:

In the Final Rules section of this Federal Register, EPA is approving the State's SIP submittal as a direct final rule without prior proposal because the Agency views this as a noncontroversial submittal and anticipates no adverse comments. A detailed rationale for the approval is set forth in the direct final rule. If we do not receive any adverse comments in response to this rule, we do not contemplate taking any further action. If EPA receives adverse comments, we will withdraw the direct final rule, and will address all public comments in a subsequent final rule based on this proposed rule. EPA will not institute a second comment period. Any parties interested in commenting on this action should do so at this time. Please note that if EPA receives adverse comment on an amendment, paragraph, or section of this rule and if that provision may be severed from the remainder of the rule, EPA may adopt as final those provisions of the rule that are not the subject of an adverse comment. For additional information, see the direct final rule, which is located in the Final Rules section of this Federal Register.